diff --git a/[refs] b/[refs]
index b96f8ee9068a..b3e7365d1092 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c1a13ff57ab1ce52a0aae9984594dbfcfbaf68c0
+refs/heads/master: e44a45ae7b7f7c7a4ebd6aa39b703bf2b97fe848
diff --git a/trunk/drivers/spi/spi.c b/trunk/drivers/spi/spi.c
index c3219b29b5ac..4831edbae2d5 100644
--- a/trunk/drivers/spi/spi.c
+++ b/trunk/drivers/spi/spi.c
@@ -411,7 +411,7 @@ EXPORT_SYMBOL_GPL(spi_alloc_master);
  */
 int spi_register_master(struct spi_master *master)
 {
-	static atomic_t		dyn_bus_id = ATOMIC_INIT((1<<16) - 1);
+	static atomic_t		dyn_bus_id = ATOMIC_INIT((1<<15) - 1);
 	struct device		*dev = master->cdev.dev;
 	int			status = -ENODEV;
 	int			dynamic = 0;